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A student did two trials in the standardization of permanganate solution with sodium oxaxalte. The student calculated the molarity of the KMnO4 in each case as 0.204 mol/L and 0.207 mol/L. What is the relative spread (in ppt) of the two values? (Note: ppt is part per thousand. Keep one decimal place in your answer.)
Using the structure of mathyl orange as an example, draw resonance froms to show how conjugation extends throughout the molecule.
Determine the value of the equilibrium constant at this temperature - Ammonium Hydrosulfide NH4HS yields NH3(Ammonia) and Hydrogen sulfide
Determine at what minimum angle relative to the centerline perpendicular to the doorway can someone outside the room hear no sound?
What is the total pressure in mmHg of the mixture after it is placed in a container 1/2 the volume of the original container?
what is the energy difference between the heats of formation you calculated for carbocation A and B?
A room contains 46 of air.How many kilowatt-hours of energy are necessary to heat the air in the house from 9 to 30? The heat capacity of air is 1.03.
Water beads on the surface of a freshly waxed car hood. Use your knowledge of intermolecular forces to explain
Calculate the calorimeter constant. The enthalpy of combustion of antracene is -7061 kJ/mol.
reacting 5g of salycic acid with an excess of acetic anhydride
4 HNO3(aq) + Cu(s) => Cu(NO3)2(aq) + 2 H2O(l) + 2 NO2(g) Considering which elements are being oxidized and reduced, determine
identify a chemical reagent used in this experiment that can be used to distinguish cacl2 (soluble) from CaCo3 (insoluble)
the pH of a saturated solution of a metal hydroxide MOH is 9.30. calculate the Ksp for the compound
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